This directory contains the initial and optimized design of a graph and heuristic
based topology optimization (with input deck and simulation results).
The objective is to minimize the mass while limiting the displacement of the drop
weight to remain lower than 60mm (see setting/optimization_problem.lsopt for optimization problem).
In settings/config are additional configuration parameters like manufacturing constraints.
The finite element model uses only one shell element layer for each chamber.
Neighboring chambers are connected by tiebreak contacts.
During the optimization an internal sizing strategy is used to evaluate the heuristic proposals.
The optimization was carried out in November 2021.
The objective and further responses of all designs can be found in optimization_history.txt.
In comparison to the other optimization the optimization algorithm has been improved, the finite element modelling 
and material card have been updated based on new experiments and the drop weight mass increased to 20.8kg.
